01
A single point of contact
A lead partner runs the entire project, coordinates the disciplines involved and guarantees consistency across deliverables. You have one interlocutor, never an impersonal helpdesk.
Strategic advisory • Construction • France & Europe
Strategic Advisory and Operational Support for Construction Organizations Across France and Europe
ACS is the trusted partner of developers, general contractors, public institutions, investors, engineering firms and international groups designing, financing or delivering demanding construction projects.
End-to-end engagement, from the investment decision to operational handover.
Trusted by leaders across
- Developers
- Contractors
- Engineering Firms
- Public Institutions
- Investors
- International Companies
Who we are
A construction-specialist advisory firm, built as an integrated partner.
ACS — Accompagnement Construction & Services — supports organisations delivering the most demanding construction projects across France and Europe. We work alongside executive committees, programme directors, owners and on-site teams, from strategic framing to commissioning.
Through a single point of contact, our approach brings together every discipline required to secure a project: strategy, project management, regulatory compliance, specialised talent, digital transformation and international development. Each engagement is led by a senior consultant accountable for quality, timing and alignment with your priorities.
- Construction specialistsA firm fully dedicated to the construction and infrastructure ecosystem.
- One-stop-shopOne door, one multi-disciplinary team mobilised on demand.
- France & EuropeNationwide French coverage and pan-European delivery capability.
- Advisory & executionFrom strategic recommendation to operational delivery on the ground.
- Multi-disciplinaryAdvisory, engineering, compliance, talent and technology under one organisation.
Why ACS
Five reasons executive committees entrust us with their projects.
We combine the rigour of an advisory firm with the operational culture of a construction professional. This dual posture shapes every engagement.
02
Cross-disciplinary expertise
Strategy, project management, compliance, talent, technology — our consultants cover the full range of disciplines required for complex construction projects to succeed.
03
A European perspective
A comparative reading of regulatory frameworks, technical standards and market practices across France and the main European geographies.
04
Construction specialisation
A deep understanding of sector-specific constraints — RE2020, public procurement, site safety, subcontracting — that avoids the blind spots of generalist consulting.
05
Delivery capability
We do not stop at the recommendation. Our teams take ownership of execution, operational steering and knowledge transfer to your internal teams.
Our expertise
Six pillars of expertise mobilised for your projects.
Each pillar is run by a dedicated team and can be engaged independently or in an integrated manner depending on the nature of the mission.
01
Advisory & Strategy
Strategic framing, feasibility studies, business plans, acquisition due diligence, real-estate strategy and portfolio arbitration. We inform the major investment decisions of your executive committees.
Learn more →02
Project & Construction Management
Owner's representative services, programme steering, scheduling and coordination, cost and schedule control, project-level risk management and executive reporting through to handover.
Learn more →03
Compliance & Regulatory Services
French and European regulatory frameworks, permitting, certifications, site safety, contractual compliance and legal risk management throughout the project lifecycle.
Learn more →04
Talent, Procurement & Partner Networks
Sourcing of rare profiles, mobilisation of independent experts, procurement function design, subcontractor qualification and activation of our European network of specialised partners.
Learn more →05
Digital Transformation & Innovation
BIM strategy, ERP deployment, digitisation of site processes, collaborative tools, document workflow digitisation and adoption of emerging construction technologies.
Learn more →06
International Development & Mobility
Market entry in France or Europe, international mobility of staff, cross-border social compliance, local partnerships and structuring of operational entities.
Learn more →Project lifecycle
Continuous support, from first study through to expansion.
We engage across the full lifecycle of a construction project. You can mobilise ACS from the investment decision onward, or for a single phase, depending on your needs.
- 01
Feasibility
Technical, economic and regulatory feasibility studies. Site analysis, programmatic scenarios, target budgets and identification of structural risk factors.
- 02
Planning
Programme structuring, master schedule, project organisation, financial structuring, selection of design teams and definition of quality standards.
- 03
Compliance
Securing administrative authorisations, planning and environmental compliance, RE2020, site safety and obtaining targeted certifications.
- 04
Procurement
Packaging strategy, contractor consultations, contractual negotiation, technical and financial qualification of candidates, contract award.
- 05
Construction
On-site operational steering, coordination of stakeholders, quality control, cost and schedule discipline, change management and committee-level reporting.
- 06
Delivery
Pre-acceptance operations, snag list clearance, technical commissioning, operational handover and follow-up of the post-completion warranty period.
- 07
Expansion
Post-delivery capitalisation, lessons learned, optimisation of operations and preparation of subsequent phases or mirror projects on other sites.
Industries
Seven industries where excellence is non-negotiable.
Our sector knowledge allows us to address the constraints specific to each project typology, from programming through to operational standards.
Residential
Multi-family housing, managed residences, mixed-use schemes and premium residential. Programmatic framing, RE2020 compliance and developer value-chain steering.
Commercial
Headquarters, office buildings, flexible workspaces. Programming, environmental quality, HQE/BREEAM/LEED certifications and repositioning of the existing stock.
Public infrastructure
Public facilities, civil engineering, mobility, educational and cultural assets. Public procurement, public-private partnerships and public service obligations.
Healthcare
Hospitals, clinics, care homes, technical platforms. Continuity of operations during works, sanitary standards, heavy equipment and integrated medical logistics.
Industrial & logistics
Factories, logistics platforms, data centres, energy facilities. Operational performance, process flows, industrial certifications and asset safety.
Hospitality
Urban hotels and resorts, branded operations, asset repositioning. Operator standards, guest experience and trade-offs between new build and refurbishment.
Renovation
Heavy refurbishment, office repositioning, energy and heritage renovation. Technical diagnosis, asbestos removal, phasing in occupied sites and carbon performance.
France & Europe
Nationwide French coverage, with European reach.
Our teams deliver across the whole of France and in the main European geographies, applying the same execution discipline and the same comparative reading of local regulatory frameworks.
In France, we support operations in major regional cities as well as peri-urban and rural areas, in mainland France and in the overseas territories. Our organisation enables us to mobilise on-site teams quickly, wherever your project is located.
In Europe, we work alongside French groups expanding internationally as well as foreign investors and operators entering the French market. Our comparative reading of European technical and regulatory standards is a differentiating asset for cross-border operations.
Île-de-France
The core of our French activity, with strong exposure to commercial, residential and Grand Paris infrastructure operations.
Regional France
Regional metropolises, economic capitals and diffuse-territory operations, with mobilisation of local teams.
Western Europe
Belgium, Luxembourg, Netherlands, Germany, Switzerland — for cross-border operations and international establishments.
Southern Europe
Spain, Portugal, Italy — supporting investors and operators on Mediterranean markets.
Northern Europe
Scandinavian and Nordic countries, with particular attention to environmental standards and timber construction.
International capability
Beyond Europe, we support exceptional client operations by mobilising our partner network.
International business support
The partner of foreign companies establishing themselves in France.
For international groups considering a project or a durable establishment in France, ACS secures market entry and operational set-up.
The French construction market is demanding: dense regulation, contract specificities, sector-specific collective bargaining agreements, advanced environmental requirements. We bring foreign investors and operators a granular understanding of this environment and the ability to structure a credible, compliant and operational local presence from day one.
Market-entry compliance
Regulatory framing, appropriate legal structures, social and tax obligations, construction compliance and obtaining the qualifications required to operate in France.
Worker mobility
Posting, expatriation, residence permits, prior posting declarations, A1 certificates and family support for your mobilised executives and experts.
Market entry
Competitive analysis, opportunity identification, positioning, access to public and private buyers and structuring of the commercial offer.
Operational set-up
Entity creation, project-function design, sourcing of first teams, selection of technical partners and industrialisation of processes.
Local partnerships
Identification, qualification and structuring of partnerships with general contractors, engineering firms, specialised subcontractors and institutional stakeholders.
Compliance & Risk
Securing regulatory, contractual and operational compliance.
A construction project is, in France as in Europe, one of the most heavily regulated environments. ACS helps clients turn compliance into a competitive advantage rather than a drag.
Regulatory requirements
Full mapping of applicable obligations — planning, environment, energy, accessibility, safety — and structuring of a single compliance plan for the project.
Certifications
Support on HQE, BREEAM, LEED, WELL and BiodiverCity frameworks, as well as the professional qualifications required to operate in regulated markets.
Risk reduction
Early identification of technical, legal, financial and reputational risks, mitigation plans and independent control arrangements at each project gate.
Contractual protection
Structuring of design and works contracts, partnership agreements and insurance, with particular attention to risk-transfer clauses.
Operational compliance
Site safety, social compliance and subcontracting, documentary traceability, internal audits and preparation for inspections by the relevant authorities.
Digital transformation
Industrialising the project through data and technology.
Digital transformation in construction is no longer a matter of experimentation. We help clients structure a pragmatic roadmap aligned with operational value.
BIM
BIM strategy, BIM management, BIM execution plans, digital model serving design, site and operations. Industrialisation and capability build-up across teams.
ERP & management systems
Selection, deployment and integration of construction ERP, project management, site analytical accounting and financial consolidation across operations.
Process digitisation
Document workflow digitisation, electronic signature, reporting automation, structuring of project data and a coherent information architecture.
Collaboration tools
Document management platforms, site coordination tools, mobile field applications, secure information sharing between owner, designers and contractors.
Construction technologies
Off-site prefabrication, site robotics, inspection drones, IoT and sensors, digital twins for operations. Structured watch and targeted integration where value is clear.
Construction Intelligence
Eight authority clusters guiding our sector watch.
Our consultants structure their research and analysis around eight thematic clusters covering the contemporary stakes of construction.
01/08
Regulatory & Compliance Watch
Continuous reading of French and European regulatory developments applicable to construction projects.
02/08
Construction Economics & Cost Intelligence
Cost trends, materials pricing and market dynamics that shape operations budgets.
03/08
Sustainability & RE2020
Low-carbon trajectories, LCA optimisation, environmental performance and regulatory compliance.
04/08
BIM & Digital Delivery
BIM strategy, digital model, collaborative platforms and continuity of project data.
05/08
Public Procurement & Contracts
Procedure framing, contractual structuring, packaging and securing of public contracts.
06/08
Risk, Insurance & Liability
Risk mapping, ten-year warranties, site insurance and risk-transfer clauses.
07/08
Talent & Workforce in Construction
Sourcing of rare profiles, project-function design and mobilisation of independent expertise.
08/08
International Expansion & Market Entry
Entry into the French market, European expansion and structuring of a compliant operational presence.
Sustainability & RE2020
Building sustainably without compromising economic performance.
The French RE2020 environmental regulation and European obligations are redefining the fundamentals of construction. We support clients through this transformation without compromising operations' economic balance.
We embed environmental performance from the programming phase: low-carbon construction choices, LCA optimisation, low-carbon energy, biodiversity, water management and summer comfort. Our conviction is that a sober operation is designed upstream, not corrected downstream.
Our teams also support compliance with European obligations — Taxonomy, CSRD, French Tertiary Decree — and their concrete translation into our clients' real-estate strategy.
- RE2020 compliance and optimisation of Ic Energy and Ic Construction indicators
- Low-carbon strategy and emissions-reduction roadmap at portfolio level
- Environmental performance and associated certifications
- Climate adaptation and asset resilience
- Taxonomy, CSRD and French Tertiary Decree reporting
Engagement models
Four engagement models tailored to your need.
We adapt the engagement format to the nature of your challenge — from a focused multi-week mission to a structural partnership over several years.
One-off mission
Short, focused engagement on a specific topic: audit, due diligence, strategic second opinion, regulatory expertise or resolution of a contentious situation.
Outcome
Actionable recommendation, delivered on a tight timeline.
Project engagement
Full support of a construction operation, from framing through to handover, with a dedicated team led by a lead partner.
Outcome
Securing cost, schedule and compliance.
Long-term partnership
Multi-year partnership across a portfolio of operations, integration into governance processes and support to the maturation of internal teams.
Outcome
Learning effect and execution consistency.
Advisory retainer
Continuous access to our partners on the executive committee's strategic topics: investment decisions, portfolio arbitrages, market reading and regulatory watch.
Outcome
Senior expertise available on demand.
Knowledge centre
Analyses, points of view and sector publications.
Our knowledge centre gathers our partners' analyses of the transformations reshaping the construction sector across France and Europe.
Analysis
RE2020: moving from compliance to performance
Beyond meeting regulatory thresholds, RE2020 redefines the value of a real-estate asset. A strategic reading for real-estate executive teams.
Point of view
Establishing in France: what foreign groups underestimate
Social compliance, subcontracting, public procurement: five recurring blind spots when a foreign player enters the French construction market.
Sector study
BIM as an executive steering infrastructure
BIM is no longer a design tool — it becomes a steering tool. How executive committees can derive a continuous read on their operations.
Project frameworks
Methodological frameworks authored by our teams.
A selection of structured methodological frameworks, designed as operational references for programme directors and investment committees.
Mixed-use commercialCompliance & RE2020
RE2020 arbitration framework at the programmatic phase
A structured method to embed carbon requirements from programming onward and arbitrate construction choices without degrading the economics of the operation.
Read framework →Public infrastructurePublic procurement
Packaging and securing complex public contracts
Structuring of lots, procedures and contractual clauses for multi-disciplinary public operations.
Read framework →International establishmentMarket entry
Checklist for entering the French market
A seven-step operational pathway to structure a compliant local presence from the very first operation.
Read framework →
Executive consultation
Let's discuss your next construction project.
Our partners meet confidentially with executive leaders, investment committees and project owners seeking to inform a strategic decision or secure an ongoing operation.
Direct enquiry
Executive consultation
ACS
Construction. Strategy. Execution.
ACS supports construction leaders who tolerate neither approximation nor diluted accountability. France, Europe, and beyond — one partner, one integrated delivery.
- France
- Europe
- Construction
- Strategic advisory
- Operational execution